A lightweight and highly breathable hybrid jacket for the biggest Alpine rock routes and most exposed mountain running. With a windproof yet super breathable Ultratherm lined body and fast drying, lightweight fleece arms this close fitting hybrid jacket is the perfect layer for athletic, high output mountain activity. Whether racking up vertical training kilometers or putting it all to the test on a non-stop range traverse, the Trembler is essential kit. Lightweight 20D RS Nylon outer fabric with mechanical stretch on body; highly breathable and wind resistant Micro-grid wicking lining on body to regulate temperature and next-to-skin comfort Pontetorto® Tecnopile 103 fleece arms and side panels Women\'s Active fit Flatlocked seams for next-to-skin comfort YKK® reversed centre front zip 2 zipped hand warmer pockets Elastane bound hem and double layer fleece collar Low bulk cuffs Packs into hand pocket with twin karabiner carry loops Weight: 172g/6oz